{"name":"Signal Sprint x402 MCP","version":"1.0.0","description":"Discovery bridge for Signal Sprint's paid agent-profile, Base-USDC balance, Base-block, and Base gas-price APIs. Payments settle in USDC on Base via x402.","transport":{"type":"streamable-http","url":"https://signalsprint-mqysbksh.manus.space/mcp","legacySse":{"url":"https://signalsprint-mqysbksh.manus.space/mcp/sse","messageUrl":"https://signalsprint-mqysbksh.manus.space/mcp/messages"}},"payment":{"protocol":"x402","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","priceUsd":"1.00","paidEndpoint":"https://signalsprint-mqysbksh.manus.space/service/profile-bio"},"tools":[{"name":"signal_sprint_profile_bio","description":"Generate a concise professional profile bio for an AI agent. Invoke the paid REST endpoint POST /service/profile-bio; the call costs $1.00 USDC on Base through x402 and returns HTTP 402 before settlement.","inputSchema":{"type":"object","additionalProperties":false,"required":["agentName","capabilities"],"properties":{"agentName":{"type":"string","minLength":2,"maxLength":80,"description":"Name of the AI agent."},"capabilities":{"type":"array","minItems":2,"maxItems":6,"items":{"type":"string"},"description":"Two to six concise capabilities."},"audience":{"type":"string","maxLength":120,"description":"Optional intended audience."},"tone":{"type":"string","enum":["direct","warm","technical"],"description":"Optional writing tone."}}}},{"name":"signal_sprint_base_usdc_balance","description":"Return the current USDC balance for an EVM address on Base. The paid REST endpoint GET /service/base-usdc-balance costs $0.005 USDC through x402 and returns the observed block number.","inputSchema":{"type":"object","additionalProperties":false,"required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"EVM address to inspect on Base."}}}},{"name":"signal_sprint_base_block","description":"Return compact public metadata for one Base block hash. The paid REST endpoint GET /service/base-block costs $0.005 USDC through x402 and does not return transaction bodies.","inputSchema":{"type":"object","additionalProperties":false,"required":["blockHash"],"properties":{"blockHash":{"type":"string","pattern":"^0x[a-fA-F0-9]{64}$","description":"Base block hash to inspect."}}}},{"name":"signal_sprint_base_gas_price","description":"Return the current Base gas-price observation in wei and decimal gwei. The paid REST endpoint GET /service/base-gas-price costs $0.005 USDC through x402 and includes the observed block number.","inputSchema":{"type":"object","additionalProperties":false,"properties":{}}}]}